<template>
	<view>
		<view class="login-container">
			<uni-icons type="contact-filled" size="100" color="#afafaf"></uni-icons>
			<button type="primary" class="btn-login" open-type="getUserInfo" @getuserinfo="getUserInfo">一键登录</button>
			<view class="tips-text">登录后享受更多权益</view>
		</view>
	</view>
</template>

<script>
	import { mapMutations, mapState }  from 'vuex'
	export default {
		name:"my-login",
		data() {
			return {
				
			};
		},
		computed: {
			...mapState('myUser', ['redirectInfo'])
		},
		methods: {
			...mapMutations('myUser', ['upDateUserInfo', 'updateToken', 'uptateRedirectInfo']),
			// 获取用户的基本信息
			getUserInfo(e) {
				if(e.detail.errMsg === 'getUserInfo:fail auth deny') return uni.$showMsg('您取消了登录授权')
				console.log(e.detail);
				
				this.upDateUserInfo(e.detail.userInfo)
				
				this.getToken(e.detail)
			},
			// 调用登录接口，换取永久的 token
			async getToken(info) {
				const [ err, res ] = await uni.login().catch(err => err)
				
				// 判断登录接口是否调用失败
				if(err || res.errMsg !== 'login:ok') return uni.$showMsg('登陆失败')
				
				// 准备登录要用到的参数
				// const query = {
				// 	code: res.code,
				// 	encryptedData: info.encryptedData,
				// 	iv: info.iv,
				// 	rawData: info.rawData,
				// 	signature: info.signature
				// }
				
				// const { data: loginResult } = await uni.$http.post('/api/public/v1/users/wxlogin', query)
				// console.log(loginResult);
				// if(loginResult.meta.status !== 200) return uni.$showMsg('登录失败')
				
				this.updateToken('eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9')
				
				this.navigateBack()
				
			},
			navigateBack() {
				if(this.redirectInfo && this.redirectInfo.openType === 'switchTab') {
					uni.switchTab({
						url: this.redirectInfo.from,
					complete: () => {
						this.uptateRedirectInfo(null)
					}
					})
					
				} else if(this.redirectInfo && this.redirectInfo.openType === 'navigateTo') {
					uni.navigateTo({
						url: this.redirectInfo.from,
						complete: () => {
							this.uptateRedirectInfo(null)
						}
					})
				}
			}
		}
	}
</script>

<style lang="scss">
.login-container{
	height: 750rpx;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-direction: column;
	background-color: #f8f8f8;
	overflow: hidden;
	position: relative;
	// 底部半圆样式
	&::after{
		content: '';
		display: block;
		position: absolute;
		width: 100%;
		height: 40px;
		left: 0;
		bottom: 0;
		background-color: white;
		border-radius: 100%;
		transform: translateY(50%);
	}
	
	.btn-login {
		width: 90%;
		margin: 15px 0;
		background-color: #c00000;
	}
	
	.tips-text {
		font-size: 12px;
		color: gray;
	}
	
}
</style>